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Sony KLV-26NX400 Service Manual

Flat panel color tv, az1-a5-0 chassis
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Date
Part Number
2010.06
9-883-489-01
2010.08
9-883-489-02
2010.08
9-883-489-03
HISTORY
Description of Revisions
Original Manual
LCD Panel Part Number Update
BAA Board Part Number Update
Addition of Panel Support Part Number
19)
Model Name: KLV-26/32NX400
KLV-32/40NX500
SERVICE MANUAL
(P18)
(P18)
(P17, 18,
Version
1.0
2.0
3.0

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  • Page 1 HISTORY Model Name: KLV-26/32NX400 KLV-32/40NX500 SERVICE MANUAL Click on Page Number to display details of change Date Part Number Description of Revisions Version 2010.06 9-883-489-01 Original Manual LCD Panel Part Number Update (P18) 2010.08 9-883-489-02 BAA Board Part Number Update (P18) Addition of Panel Support Part Number (P17, 18,...
  • Page 2 AZ1-A(5-0) SERVICE MANUAL CHASSIS MODEL MODEL DEST DEST KLV-26NX400 KLV-32NX500 (black / silver) RUSS RUSS KLV-32NX400 KLV-40NX500 (black / silver) RUSS RUSS RM-GA08 -  -...

  • Page 3: Table Of Contents

    KLV-26,32 NX400(S/B), 26,32 NX400(S/B)/S, 32,40 NX500 RM-GA018 TABLE OF CONTENTS Section Title Page Section Title Page 1. SAFETY NOTES 5. DIAGRAMS 1-1. Caution Handling of LCD Panel ........3 5-1. Block Diagram ............... 11 1-2. Safety Check Out ............. 3 5-1-1.

  • Page 4: Safety Notes

    OPERATION. REPLACE THESE COMPONENTS WITH 1) Check the area of your repair for unsoldered or poorly SONY PARTS WHOSE PART NUMBERS APPEAR AS soldered connections. Check the entire board surface for SHOWN IN THIS MANUAL OR IN SUPPLEMENTS solder splashes and bridges.

  • Page 5: Lead Free Information

    370 degrees centigrade. This requires soldering equipment capable of accurate temperature control coupled with a good heat recovery characteristics. For more information on the use of Lead Free Solder, please refer to http://www.sony-training.com – 4 –...

  • Page 6: Self Diagnostic Function

    KLV-26,32 NX400(S/B), 26,32 NX400(S/B)/S, 32,40 NX500 RM-GA018 SECTION 2 SELF DIAGNOSTIC FUNCTION 2-1. Overview of Control Buttons 2-4. LED Pattern When safety shutdown occurs, Standby LED display reports the cause by using the lightning patterns as indicated below. Power PROG Programme 3.0 sec 3.0 sec...

  • Page 7: Standby Led Error Display And Board Replacement Order

    KLV-26,32 NX400(S/B), 26,32 NX400(S/B)/S, 32,40 NX500 RM-GA018 2-5. Standby LED Error Display and Board Replacement Order Perform below countermeasures according to Standby LED blinking times. Blinking times Error Countermeasure (Replace either/all according to sequence) Main Power Error 1) Power Unit(26”), G2LE Unit(32”), G2HE Unit(40”) board.

  • Page 8: Triage Chart

    KLV-26,32 NX400(S/B), 26,32 NX400(S/B)/S, 32,40 NX500 RM-GA018 2-6. Triage Chart – 7 –...

  • Page 9: Troubleshooting

    KLV-26,32 NX400(S/B), 26,32 NX400(S/B)/S, 32,40 NX500 RM-GA018 SECTION 3 TROUBLESHOOTING 3.1 FLOWCHART 3-1-1. NO POWER No power 110V 220V-240V Destination 176-264Vac 88-132Vac AC Cable PLEASE REFER TO PAGE 23-51 TO FOR DETAILS TROUBLESHOOTING PLEASE REFER TO PAGE 23-51 FOR THE UPDATED TROUBLESHOOTING Power Board No standby3.3V 3.3V_DC...

  • Page 10: Video Problem

    KLV-26,32 NX400(S/B), 26,32 NX400(S/B)/S, 32,40 NX500 RM-GA018 3-1-2. VIDEO PROBLEM Video Problem Digital RF/Analog All inputs HDMI Input Input Board have Problem? Problem? Problem? problem? Board Board Board Backlight Turn on? Board Check LVDS harness connection between BAA board or Panel or Power board PLEASE REFER TO PAGE 23-51 TO THE UPDATED TROUBLESHOOTING 3-1-3.

  • Page 11: Service Adjustments

    KLV-26,32 NX400(S/B), 26,32 NX400(S/B)/S, 32,40 NX500 RM-GA018 SECTION 4 SERVICE ADJUSTMENT 4-1. Accessing Self Diagnostic Menu 4-3. GAISOU Adjustment (For Board Replacement) 1. While TV on standby mode, press the following sequence 1) When new board is replaced, please confirm the color on the Remote commander.

  • Page 12: Diagrams

    KLV-26,32 NX400(S/B), 26,32 NX400(S/B)/S, 32,40 NX500 RM-GA018 SECTION 5 DIAGRAMS – 11 –...

  • Page 13: Klv-26,32 Nx400(S/B), 26,32 Nx400(S/B)/S

    KLV-26,32 NX400(S/B), 26,32 NX400(S/B)/S, 32,40 NX500 RM-GA018 – 12 –...

  • Page 14: Wire Dressing And Connector Diagram

    KLV-26,32 NX400(S/B), 26,32 NX400(S/B)/S, 32,40 NX500 RM-GA018 CAUTION : 1. Do not overpull the wires during dressing --> avoid disconnection of wires. 2. Make sure wires are kept away from sharp edges, heatsinks & other high-temperature parts. Tape 5-2. WIRE DRESSING AND CONNECTOR DIAGRAM 5-2-1.
  • Page 15 KLV-26,32 NX400(S/B), 26,32 NX400(S/B)/S, 32,40 NX500 RM-GA018 5-2-2. KLV-32 NX400(S/B), NX400(S/B)/S, NX500 WXGA (KLV-32 NX400(S/B), NX400(S/B)/S) (KLV-32NX500) TCON TCON (30/51) CN6403 CN4000 G2LE CN1/ CN100 CN5600 (30) AC Power CN100/CN001 (10/12) Speaker R Speaker L – 14 –...

  • Page 16: Nx400(S/B),Nx400(S/B)/S, Nx500

    KLV-26,32 NX400(S/B), 26,32 NX400(S/B)/S, 32,40 NX500 RM-GA018 5-2-3. KLV-40NX500 (KLV-40NX500(South Africa) (Except KLV-40NX500(South Africa) TCON TCON (51) CN6403 CN4000 G2HE CN1/ CN100 CN5600 (30) AC Power CN100/CN001 (10/12) Speaker L/ Speaker box L Speaker R/ Speaker box R – 15 –...

  • Page 17: Circuit Board Location

    KLV-26,32 NX400(S/B), 26,32 NX400(S/B)/S, 32,40 NX500 RM-GA018 5-3. CIRCUIT BOARD LOCATION 5-3-1. KLV-26 NX400(S/B), NX400(S/B)/S 5-3-2. KLV-32 NX400(S/B), NX400(S/B)/S, NX500 Switch Unit Switch Unit Power Unit G2LE Unit BAA Board BAA Board HLR Board HLR Board 5-3-3. KLV-40NX500 Switch Unit G2HE Unit BAA Board HLR Board...

  • Page 18: Disassembly, Exploded Views And Other Parts

    KLV-26,32 NX400(S/B), 26,32 NX400(S/B)/S, 32,40 NX500 RM-GA018 SECTION 6 EXPLODED VIEW AND OTHER PARTS DISASSEMBLY, Note: Caution: ⇑ (*) parts are not stocked since they are seldom required for routine service. Some delays should be ⇑ ! and shaded parts are critical for safety. Replace only with part number specified. anticipated when ordering these components.
  • Page 19 KLV-26,32 NX400(S/B), 26,32 NX400(S/B)/S, 32,40 NX500 RM-GA018 Parts List: 6-1-2. KLV-32 NX400(S/B), NX400(S/B)/S, NX500 REF. NO. PART NO. DESCRIPTION REMARK X-2515-112-1 REAR COVER (32) ASSY 4-167-326-01 BRACKET, VESA (S) Screw: X-2546-540-1 COVER (M3) ASSY (Black) REF. NO. PART NO. DESCRIPTION X-2546-547-1 COVER (M3) ASSY (Silver) X-2514-976-1 BASE (M2) ASSY...
  • Page 20 KLV-26,32 NX400(S/B), 26,32 NX400(S/B)/S, 32,40 NX500 RM-GA018 6-1-3. KLV-40NX500 Screw: Parts List: REF. NO. PART NO. DESCRIPTION REF. NO. PART NO. DESCRIPTION REMARK 2-580-640-01 Screw,+BVTP 4x16 Type2 IT-3 X-2546-602-1 REAR COVER (40) ASSY 1waea 4-167-326-01 BRACKET, VESA (S) 20ws 4-159-298-01 Screw,+PSW M4x10 7-685-648-79 Screw,+BVTP 3x12 Type2 IT-3 X-2546-540-1 COVER (M3) ASSY X-2541-912-1 BASE (ML2) ASSY...

  • Page 21: Nx400(S/B), Nx400(S/B)/S

    KLV-26,32 NX400(S/B), 26,32 NX400(S/B)/S, 32,40 NX500 RM-GA018 6-2. OTHER PARTS REF NO. PART NO. DESCRIPTION REMARK REF NO. PART NO. DESCRIPTION REMARK 6-2-1. KLV-26 NX400(S/B), NX400(S/B)/S HEATSINK ********** ACCESSORIES AND PACKING *************************** 6-503-050-01 DI SBT80-06LS 8-719-510-53 DIODE D4SB60L X-2342-530-2 BAG ASSY, FALL LOCK BELT 6-552-205-11 TR TK15A50D 6-552-461-11...
  • Page 22 S UP P L E ME NT-1 AZ1-A C HA S S IS C HA S S IS Updated Section 3 (Troubleshooting) information S UB J E C T : P age 8-9 in S ervice Manual Section 3 TROUBLESHOOTING 3-1.
  • Page 23 KLV-26,32 NX400(S/B), 32,40 NX500 RM-GA018 3-1-2. NO POWER No Power AC Cord BAA Board Check AC voltage at AC IN connector. Replace 88 -132V for 110V models AC Source AC cord • See DDcon 176 – 264V for 220 – 240V Models.
  • Page 24 KLV-26,32 NX400(S/B), 32,40 NX500 RM-GA018 3-1-3. DDCON SHEET START Change BAA Board Check JL6306 Voltage. Check F6303 Is the voltage 3.3V? Check JL6309 Voltage. Check F6302 or F6305. Is the voltage 1.1V? Check JL6313 Voltage. Check F6301. Is the voltage 1.8V? After checking, take note of NG condition &...
  • Page 25 KLV-26,32 NX400(S/B), 32,40 NX500 RM-GA018 3-1-4. STANDBY LED BLINK a) 3 times blinking 3 times Blinking AUDIO DC_ALERT1 Check JL6315 Check +12.5V_AU1 AZ1A: 3x Blinking For F4001, IC4002,etc Voltage on the Check F6304. at F4001 on Audio Error (BAA Board) BAA Board.
  • Page 26 KLV-26,32 NX400(S/B), 32,40 NX500 RM-GA018 3-1-4. STANDBY LED BLINK b) 4 times blinking 4 times Blinking Between 0.88V to 2.70V Check Check PANEL_DET at PANEL harness to Balancer Replace G*/D* Board (Balancer) JL5601 Board on the BAA Board BAA Board Harness G*/D* Board -25-...
  • Page 27 KLV-26,32 NX400(S/B), 32,40 NX500 RM-GA018 3-1-4. STANDBY LED BLINK c) 5 times blinking 5 times Blinking Harness check: TCON to BAA board Harness TCON to G* board LVDS cable Check TCON_ON BAA Board at FB5619 on the BAA Board High Change BAA BAA Board Check...
  • Page 28 KLV-26,32 NX400(S/B), 32,40 NX500 RM-GA018 3-1-4. STANDBY LED BLINK d) 6 times blinking 6 times Blinking Check < 2.7V PANEL_DET at BAA Board JL5601 on the BAA Board Check all harness Harness Inverter Change D* Board (D* Board) *Check G* Board output: G2** UNREG24V = +24.0V *Check G* Board output or...
  • Page 29 KLV-26,32 NX400(S/B), 32,40 NX500 RM-GA018 3-1-4. STANDBY LED BLINK e) 7 times blinking 7 times Blinking Set to another Set location is OK? location Change BAA Board, Panel and Aging a few hours BAA Board -28-...
  • Page 30 KLV-26,32 NX400(S/B), 32,40 NX500 RM-GA018 3-1-5. PANEL ID ERROR Green & Amber blinking Harness check: TCON to BAA board Harness TCON to G* board LVDS cable Check TCON_ON at FB5619 BAA Board on the BAA Board High Change BAA BAA Board Check TCON_VCC_12V 1) at JL6217...
  • Page 31 KLV-26,32 NX400(S/B), 32,40 NX500 RM-GA018 3-2. Troubleshooting AUDIO Problem 3-2-1. FLOWCHART A Refer “Main Main Speaker No Audio Problem Speaker No Sound Sound” Mon Out No Refer “Mon Out Sound No Sound” HP Out No Refer “HP Out Sound No Sound” *V1, V2, V3, D1 Refer “Analog Audio Input...
  • Page 32 KLV-26,32 NX400(S/B), 32,40 NX500 RM-GA018 3-2-2. FLOWCHART B (Main Speaker No Sound) Main Spk No Sound Correct UI Audio UI Setting, ok? Amp IC / IC4002 pin1 -> 3.3V Main IC IC4002 pin2 -> 1.8V Spk Wire, Change Connector, ok? spk wire L4004, L4005, Amp IC...
  • Page 33 KLV-26,32 NX400(S/B), 32,40 NX500 RM-GA018 3-2-3. FLOWCHART C (Monitor Out No Sound) Mon Out No Sound Audio UI Setting, ok? Correct UI Change RCA cable RCA cable, target unit, ok? / target unit C4075 -> 9V Vcc NG / or F6300 -> 0ohm Main IC NG or R4095 ->...
  • Page 34 KLV-26,32 NX400(S/B), 32,40 NX500 RM-GA018 3-2-4. FLOWCHART D (HP OUT No Sound) HP Out No Sound HP cable, Change HP cable JL4011 -> 3.3V, ok? Detection (when insert HP) Main IC R4094 -> 3V, ok? Change BAA Board -33-...
  • Page 35 KLV-26,32 NX400(S/B), 32,40 NX500 RM-GA018 3-2-5. FLOWCHART E (Analog Audio Input No Sound) Analog audio input no sound Change Audio RCA cable, RCA cable Change Audio analog source, audio source Change BAA Board -34-...
  • Page 36 KLV-26,32 NX400(S/B), 32,40 NX500 RM-GA018 3-2-6. FLOWCHART F (Analog RF No Sound) Analog RF input no sound Change RF cable, RF cable UI setting, ok? Correct UI (TV System, AFT, Audio Filter) Change RF RF source, source/chann Refer Raster sound, “Speaker No Sound”...
  • Page 37 KLV-26,32 NX400(S/B), 32,40 NX500 RM-GA018 3-2-7. FLOWCHART G (HDMI Audio No Sound) HDMI Audio input no sound Change HDMI cable, HDMI cable HDMI source, Change HDMI source Change to *HDMI sound supported format ok? format Change BAA Board * Please refer to IM for supported HDMI audio format.
  • Page 38 KLV-26,32 NX400(S/B), 32,40 NX500 RM-GA018 3-2-8. FLOWCHART H (USB Audio input No Sound) USB Audio input no sound Change USB thumbdrive, thumbdrive Change to *USB audio supported format, ok? format Change BAA Board * Please refer to IM for supported USB audio format.
  • Page 39 KLV-26,32 NX400(S/B), 32,40 NX500 RM-GA018 3-2-9. FLOWCHART I (3x Blinking For Audio Error) TV 3x blinking Remove spk connector (CN4000), ok? L4004, L4005, L4006 & L4007 impedance to ground. Spk Impedance High Z 7~8ohm, ok? (>100Kohm) Low Z (<100Kohm) Amp IC F4001 Output short to Change...
  • Page 40 KLV-26,32 NX400(S/B), 32,40 NX500 RM-GA018 3-3. Troubleshooting Video Problem Picture On Screen Distorted Or Missing Refer to Power Troubleshoot (STANDBY LED Check LED 6x BLINK  6x times blinking times blink? Backlight turns ON? Check Eco Power Saving Refer to IM Eco Power Saving Refer “Tuner Setting...
  • Page 41 KLV-26,32 NX400(S/B), 32,40 NX500 RM-GA018 3-3-1. TUNER PROBLEM Tuner Problem Check RF source cable Change RF cable and antenna and antenna Check Change BAA board C6346 = +5V? Check F6304 Change BAA board Check LVDS Reconnect LVDS cable harness or change new LVDS Raster, OK? connection cable...
  • Page 42 KLV-26,32 NX400(S/B), 32,40 NX500 RM-GA018 3-3-2. VIDEO 1 Problem Video 1 Problem Check Refer to IM Video1/Monitor Video1/Monitor Out Setting Out Setting. Video Signal Source Problem or Check Video input source cable problem signal or cable. Check Input Change BAA jack ”J2001”...
  • Page 43 KLV-26,32 NX400(S/B), 32,40 NX500 RM-GA018 3-3-3 MONITOR OUT Problem Monitor Out Problem Check Refer to IM Video1/Monitor Video1/Monitor Out Setting Out Setting. Check Video input source signal or Signal Source Problem or cable cable. problem (Tuner mode: Check RF source cable) Reconnect Video cable or Check video change new Video cable...
  • Page 44 KLV-26,32 NX400(S/B), 32,40 NX500 RM-GA018 3-3-4. VIDEO 2 Problem Video 2 Problem Video Signal Source Problem or Check Video input source cable problem signal or cable. Check Input Change BAA jack ”J2001” board Reconnect LVDS cable Check LVDS or change new LVDS harness cable connection between...
  • Page 45 KLV-26,32 NX400(S/B), 32,40 NX500 RM-GA018 3-3-5. VIDEO 3 Problem Video 3 Problem Check Video3 / Refer to IM Video3 / Component Component Setting Setting. Video Signal Source Problem or Check Video input source cable problem signal or cable. Change BAA Check Input board jack ”J2200”...
  • Page 46 KLV-26,32 NX400(S/B), 32,40 NX500 RM-GA018 3-3-6. COMPONENT Problem Component Problem Check Video 3 / Refer to IM Video3 / Component Component Setting Setting. Component Signal Source Check component input Problem or cable problem source signal or cable. Change BAA Check Input board jack ”J2200”...
  • Page 47 KLV-26,32 NX400(S/B), 32,40 NX500 RM-GA018 3-3-7. HDMI Problem HDMI Problem Check HDMI input source HDMI Signal Source Problem or cable problem signal or cable. Confirm HDMI input source Change HDMI input source to format / resolution supported by TV supported format Check HDMI Change BAA jack.
  • Page 48 KLV-26,32 NX400(S/B), 32,40 NX500 RM-GA018 3-3-8. PC Problem PC Problem Check PC input source PC Signal Source Problem or cable problem signal or cable. Confirm PC input source Change PC input source to TV format / resolution supported supported format by TV? Check PC Change BAA...
  • Page 49 KLV-26,32 NX400(S/B), 32,40 NX500 RM-GA018 3-4. Troubleshooting IR Problem IR NO FUNCTION Change Remote Control Check Remote Control Function? Probe JL5621 in BAA to check RC response When press RC Change Wire Harness Check Wire Harness And connect Properly And Connector Connectivity? Check 3.3V Check 3.3V...
  • Page 50 KLV-26,32 NX400(S/B), 32,40 NX500 RM-GA018 3-5. Tact SW Problem *VOLTAGE LEVEL FOR EACH PRESSED BUTTON H2LS NO FUNCTION Voltage Voltage range (average) CH - 0.00V 0.0000V CH + 0.38V 0.3421 – 0.4178V Check Wire Harness Change Wire Harness And Connector And connect Properly Connectivity? Vol -...
  • Page 51 English Sony Corporation 10HP7100-1 Sony UK Printed in U.K. Service Promotions Dept. © 2010.08 9-883-489-03...

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